bosu
n.— «Another innovation, this time from the United States, is Bosu—an acronym for “both sides up.” This is a giant inflatable exercise ball that is cut in half and which has replaced Step as the most sought after class type in American gyms.» —“Fitness meets fun in Italy” in Italy IOL (South Africa) May 27, 2005. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...